Add the olive oil to a deep soup pot then add the onion and cook until it becomes translucent, about 5 minutes. Add the garlic, bay leaf, salt, thyme, sage, oregano and pepper and stir and cook until the garlic becomes fragrant, about 2 minutes.
1 tablespoon olive oil, ½ white onion, 2 cloves garlic, 1 bay leaf, 1 teaspoon kosher salt, 1 teaspoon dried thyme, 1 teaspoon dried sage, 1 teaspoon dried oregano, ½ teaspoon ground black pepper
Pour in the chicken broth and bring it to a boil over high heat then reduce the heat to medium-low.
8 cups turkey or chicken broth
Add the carrots, celery and butternut squash and let it simmer, covered, for 30 to 45 minutes or until the squash is tender.